Cogollos Borras, Santiago; Brumos Vicente, María; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Gimeno Martinez, Benito; Guglielmi, Marco(Institute of Electrical and Electronics Engineers (IEEE), 2012-04)
In this paper, we propose a systematic procedure for the accurate design of classical dual-mode filters in circular waveguide technology. The design procedure is based on the previous synthesis of an intermediate distributed ...
Gonzalez Iglesias, Daniel; Gomez, Alvaro; Gimeno Martinez, Benito; Fernández, o.; Vegas, A.; Casas, Fernando; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Mata Sanz, Rafael; Montero, Isabel; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David(Institute of Electrical and Electronics Engineers (IEEE), 2016-12)
In this paper, the multipactor RF breakdown in a parallel-plate waveguide partially filled with a ferrite slab magnetized normal to the metallic plates is studied. An external magnetic field is applied along the vertical ...
Pérez Pastor, Antonio María; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi(American Institute of Physics (AIP), 2014-08)
Circular waveguides, either employed as resonant cavities or as irises connecting adjacent guides, are widely present in many passive components used in different applications (i.e., particle accelerators and satellite ...
Microwave filters and multiplexers commonly employ tuning screws to compensate for small errors occurring during the fabrication process. Nevertheless, the use of tuning screws has some disadvantages, because the small ...
Carceller Candau, Carlos; Cogollos Borras, Santiago; Soto Pacheco, Pablo; Gil Raga, Jordi; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gimeno Martinez, Benito(Institution of Engineering and Technology (IET), 2013-01-11)
In this study, the efficient full-wave analysis of passive devices composed of circular and arbitrarily-shaped waveguides is considered. For this purpose, the well-known boundary integral-resonant mode expansion (BI RME) ...
This article aims at the industry interest on automated design tools that are able to take into account manufacturing effects. First, an efficient design strategy for bandpass waveguide filters including the rounded corners ...
Vicente, C.; Wolk, D.; Hartnagel, H.L.; Gimeno, B.; Boria Esbert, Vicente Enrique; Raboso, D.(Institute of Electrical and Electronics Engineers, 2007-05)
[EN] In this paper, the generation of passive intermodulation at rectangular waveguide flange bolted connections is investigated. An exhaustive series of tests has been performed in order to provide understanding on the ...
[EN] The power handling capability of helical resonator filters is studied by means of the parallel plate model (employed in the European Cooperation for Space Standardisation) and more rigorous modelling techniques (like ...
The design of H-plane TE dual mode cavity filters using models containing nonresonating nodes is presented. From the models a coupling matrix is derived and decomposed into submatrices, each representing a subcircuit. The ...
Vidal Pantaleoni, Ana; San Blas Oltra, Ángel Antonio; Quesada Pereira, Fernando Daniel; Pérez Soler, Francisco Javier; Gil Raga, Jordi; Vicente Quiles, Carlos Pascual; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique(American Geophysical Union (AGU), 2015)
A novel technique for the full-wave analysis of 3-D complex waveguide devices is presented.
This new formulation, based on the Boundary Integral-Resonant Mode Expansion (BI-RME) method, allows
the rigorous full-wave ...
Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Armendariz, J.(American Institute of Physics, 2007)
[EN] A new mechanism of long-term multipactor in multicarrier systems is studied employing both analytical and numerical methods. In particular, the investigation is focused on the impact that a realistic secondary emission ...
Pinheiro-Ortega, T.; Monge, J.; Marini, S.; Sanz, J.; Sorolla, E.; Mattes, M.; Vicente, C.; Gil, J.; Boria Esbert, Vicente Enrique; Gimeno, B.(Institute of Electrical and Electronics Engineers, 2010-04)
[EN] This letter describes an efficient algorithm to predict the RF gas breakdown power threshold in microwave devices with complex geometries. The two necessary calculations when investigating such a phenomenon have been ...
Jimenez, Manuel; Gimeno Martinez, Benito; Raboso García-Baquero, David; Anza Hormigo, Sergio; Alvarez Melcon, Alejandro; Quesada Pereira, Fernando Daniel; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi(Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
Multipactor effect is a resonant avalanche of secondary electrons induced by an RF electromagnetic field, which endangers high-power payloads on satellites and particle accelerator structures. The main goal of this letter ...
Coves, A.; Torregrosa-Penalva, G.; Vicente, C.; Gimeno, B.; Boria Esbert, Vicente Enrique(Institute of Electrical and Electronics Engineers, 2008)
[EN] The objective of this paper is to study the time evolution of multipactor discharges in a parallel-plate dielectric-loaded waveguide. The electron discharge phenomena investigated in this paper include the effects of ...
Vague Cardona, José Joaquín; Melgarejo-Lermas, Juan Carlos; Guglielmi, Marco; Boria Esbert, Vicente Enrique; Anza Hormigo, Sergio; Vicente Quiles, Carlos Pascual; Moreno Cambroreno, María del Rocío; Taroncher Calduch, Mariam; Gimeno Martínez, Benito; Raboso García-Baquero, David(Institute of Electrical and Electronics Engineers, 2018-08)
[EN] The objective of this paper is to advance the state of the art in the characterization of the multipactor effect in dielectric materials. The materials studied are the most commonly used dielectrics in space applications, ...
Gonzalez Iglesias, Daniel; Pérez Pastor, Antonio María; Anza Hormigo, Sergio; Vague Cardona, José Joaquín; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Caspers, F.; Conde, Luis(Institute of Electrical and Electronics Engineers (IEEE), 2012-05)
The main goal of this letter is the analysis of the multipactor effect within a coaxial waveguide structure when an external axial dc magnetic field is applied. We have designed and manufactured a coaxial waveguide sample ...
Anza Hormigo, Sergio(Universitat Politècnica de València, 2014-07-14)
This work presents a new theoretical framework and prediction tool for multipactor
in multi-carrier systems. This is of capital importance for satellite
communication applications, which demand for higher number of ...
Gonzalez Iglesias, Daniel; Pérez Pastor, Antonio María; Anza Hormigo, Sergio; Vague Cardona, José Joaquín; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Raboso García-Baquero, David; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi; Caspers, Fritz; Conde, Luis(Institute of Electrical and Electronics Engineers (IEEE), 2014-12)
The main aim of this paper is the analysis of the
feasibility of employing permanent magnets for the multipactor
mitigation in a coaxial waveguide. First, the study of a coaxial
line immersed in a uniform axial magnetic ...
Gimeno, B.; Sorolla, E.; Anza, S.; Vicente, C.; Gil, J.; Pérez, A. M.; Boria Esbert, Vicente Enrique; Pérez, F. J.; Quesada, F.; Álvarez, A.; Raboso, D.(American Physical Society, 2009-04)
[EN] A technique for the accurate computation of the electromagnetic fields radiated by a charged particle moving within a parallel-plate waveguide is presented. Based on a transformation of the time-varying current density ...
Gonzalez Iglesias, Daniel; Soto Pacheco, Pablo; Anza Hormigo, Sergio; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi(Institute of Electrical and Electronics Engineers (IEEE), 2012-12)
The aim of this paper is to study the multipactor radio-frequency breakdown voltage in several ridge and multiridge waveguide configurations. First, multipactor susceptibility charts for several types of ridged waveguides ...